q^2/q5
If (n+1)! = 6n!, solve for n.
expand and simplify (3p-7)(4p-8)`
Find the value of c, if the points (2, 0) (0, 1) (4, 5) (0, c) are concyclic.
9^(x+2)= 36
sin 45° cos 45°
2y−y=5+1
2
𝑦
−
=
5
+
1
cos 180° - sin 180°
3a + 5b : 7b-5a
